Modification of Design Target Area, based on Aircraft Terrain Following Missions

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Khosravi, Arash | 2009

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 40318 (45)
University: Sharif University of Technology
Department: Aerospace Engineering
Advisor(s): Malaek, Mohammad Bagher
Abstract:
This work investigates the possibility of developing suitable design guidelines for aircraft flying in very low altitude as well as terrain following flights (TFF). The work aims to highlight the TFF mission in the early stages of design process; as oppose to other mission conducted by the aircraft. Current approach in TFF relies heavily on efficient Flight Control System (FCS) regardless of the overall configuration of aircraft. However, in this work, we show not all aircraft in the service could conduct TFF and maneuverability of airplane is very important. In fact, we investigate the overall impact of TFF on the wing loading (W/S) and thrust loading (T/W); if we were to design an aircraft specifically suited for TFF mission. We propose a new dimension that could be added to the so called traditional matching diagram to account for TF flights. Different case-studies show that not all aircraft could be fitted with enhanced control system to conduct TF flights and therefore, it is important to bring TFF missions in early stages of design process
Keywords:
Maneuverability ; Terrain Following Aircraft ; Airplane Maching Diagram ; Airplane Longitudinal Dynamics ; Airplane Design Guidelines ; Flying in very Low Altitude

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